You can reset the game progression and scores from the settings menu. If you have not made a backup of your device before resetting there is no way to get your scores or levels back.
- How can I recover/reset/restore my phone software?
- How can I prolong the battery life of my Lumia phone?
- I cannot connect to the internet using a mobile data connection on my Lumia phone
- How do I get week numbers to my Lumia calendar?
- My Lumia touch screen is not responding or is responding the wrong way